[INFO] cloning repository https://github.com/wishedeom/RustSandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wishedeom/RustSandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwishedeom%2FRustSandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwishedeom%2FRustSandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e31fe4288cadb4b0686bee3c0b1b4de0902658f1
[INFO] checking wishedeom/RustSandbox against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwishedeom%2FRustSandbox" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wishedeom/RustSandbox on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wishedeom/RustSandbox
[INFO] finished tweaking git repo https://github.com/wishedeom/RustSandbox
[INFO] tweaked toml for git repo https://github.com/wishedeom/RustSandbox written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/wishedeom/RustSandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efbada79715e61da554cf81174220c1c57aa13dd2a35b70f3b051a75870b7e6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "efbada79715e61da554cf81174220c1c57aa13dd2a35b70f3b051a75870b7e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbada79715e61da554cf81174220c1c57aa13dd2a35b70f3b051a75870b7e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbada79715e61da554cf81174220c1c57aa13dd2a35b70f3b051a75870b7e6d", kill_on_drop: false }`
[INFO] [stdout] efbada79715e61da554cf81174220c1c57aa13dd2a35b70f3b051a75870b7e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7d5f558dd06fa10d94d3b08c00aaa9e755618e82614c841ee87e29ee8083fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d7d5f558dd06fa10d94d3b08c00aaa9e755618e82614c841ee87e29ee8083fd", kill_on_drop: false }`
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "8d7d5f558dd06fa10d94d3b08c00aaa9e755618e82614c841ee87e29ee8083fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7d5f558dd06fa10d94d3b08c00aaa9e755618e82614c841ee87e29ee8083fd", kill_on_drop: false }`
[INFO] [stdout] 8d7d5f558dd06fa10d94d3b08c00aaa9e755618e82614c841ee87e29ee8083fd